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Add UltraPlus LED driver support and demo

This commit is contained in:
David Shah 2017-11-17 11:27:40 +00:00
parent e7d22f2277
commit c71db50a27
6 changed files with 171 additions and 11 deletions
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12
examples/up5k_rgb/.gitignore vendored Normal file
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@ -0,0 +1,12 @@
*.bin
*.blif
*.asc
*.rpt
*.glb
*.psb
*.sdf
*.vsb
*.bin
*.tmp/
*.exp
*.vlog

36
examples/up5k_rgb/Makefile Normal file
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@ -0,0 +1,36 @@
PROJ = rgb
PIN_DEF = rgb.pcf
DEVICE = up5k
# Relative paths for easier development without messing with installed version
ARACHNE = ../../../arachne-pnr/bin/arachne-pnr
ARACHNE_ARGS = -c ../../icebox/chipdb-5k.txt
ICEPACK = ../../icepack/icepack
ICETIME = ../../icetime/icetime
ICEPROG = ../../iceprog/iceprog
all: $(PROJ).bin
%.blif: %.v
yosys -p 'synth_ice40 -top top -blif $@' $<
%.asc: $(PIN_DEF) %.blif
$(ARACHNE) $(ARACHNE_ARGS) -d $(subst up,,$(subst hx,,$(subst lp,,$(DEVICE)))) -o $@ -p $^
%.bin: %.asc
$(ICEPACK) $< $@
%.rpt: %.asc
$(ICETIME) -d $(DEVICE) -mtr $@ $<
prog: $(PROJ).bin
$(ICEPROG) -S $<
sudo-prog: $(PROJ).bin
@echo 'Executing prog as root!!!'
sudo $(ICEPROG) -S $<
clean:
rm -f $(PROJ).blif $(PROJ).asc $(PROJ).rpt $(PROJ).bin
.SECONDARY:
.PHONY: all prog clean

3
examples/up5k_rgb/rgb.pcf Normal file
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@ -0,0 +1,3 @@
set_io RGB0 39
set_io RGB1 40
set_io RGB2 41

81
examples/up5k_rgb/rgb.v Normal file
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@ -0,0 +1,81 @@
module top(
output RGB0, RGB1, RGB2
);
wire clk;
SB_HFOSC inthosc (
.CLKHFPU(1'b1),
.CLKHFEN(1'b1),
.CLKHF(clk)
);
localparam counter_width = 30;
reg [counter_width-1:0] ctr;
always@(posedge clk)
begin
ctr <= ctr + 1;
end
localparam pwm_width = 12;
localparam pwm_max = (2**pwm_width) - 1;
localparam pwm_max_div4 = (2**(pwm_width-2)) - 1;
wire [1:0] phase = ctr[counter_width - 1 : counter_width - 2];
wire [pwm_width-1:0] fade = ctr[counter_width - 3 : counter_width - (2 + pwm_width)];
wire [pwm_width-1:0] fade_div4 = ctr[counter_width - 3 : counter_width - (pwm_width)];
wire [pwm_width-1:0] r_val, g_val, b_val;
// Fade R->G->B->W->
assign r_val = (phase == 0) ? pwm_max_div4 + (3 * fade_div4) :
(phase == 1) ? pwm_max - fade :
(phase == 3) ? fade_div4 :
0;
assign g_val = (phase == 0) ? pwm_max_div4 - fade_div4:
(phase == 1) ? fade :
(phase == 2) ? pwm_max - fade :
(phase == 3) ? fade_div4 :
0;
assign b_val = (phase == 0) ? pwm_max_div4 - fade_div4:
(phase == 2) ? fade :
(phase == 3) ? pwm_max - (3 * fade_div4) :
0;
reg [pwm_width-1:0] pwm_ctr;
reg pwm_r, pwm_g, pwm_b;
always@(posedge clk)
begin
pwm_ctr <= pwm_ctr + 1;
pwm_r <= (pwm_ctr < r_val) ? 1'b1 : 1'b0;
pwm_g <= (pwm_ctr < g_val) ? 1'b1 : 1'b0;
pwm_b <= (pwm_ctr < b_val) ? 1'b1 : 1'b0;
end
SB_RGBA_DRV RGBA_DRIVER (
.CURREN(1'b1),
.RGBLEDEN(1'b1),
.RGB0PWM(pwm_g),
.RGB1PWM(pwm_b),
.RGB2PWM(pwm_r),
.RGB0(RGB0),
.RGB1(RGB1),
.RGB2(RGB2)
);
defparam RGBA_DRIVER.CURRENT_MODE = "0b1";
defparam RGBA_DRIVER.RGB0_CURRENT = "0b000001";
defparam RGBA_DRIVER.RGB1_CURRENT = "0b000011";
defparam RGBA_DRIVER.RGB2_CURRENT = "0b000011";
endmodule

48
icebox/icebox.py
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@ -4444,18 +4444,46 @@ dsp_config_db = {
extra_cells_db = {
"5k" : {
("HFOSC", (0, 31, 1)) : {
"CLKHFPU": (0, 29, "lutff_0/in_1"),
"CLKHFEN": (0, 29, "lutff_7/in_3"),
"CLKHF": (0, 29, "glb_netwk_4"),
"CLKHF_FABRIC": (0, 28, "slf_op_7"),
"CLKHF_DIV_1": (0, 16, "CBIT_4"),
"CLKHF_DIV_0": (0, 16, "CBIT_3")
"CLKHFPU": (0, 29, "lutff_0/in_1"),
"CLKHFEN": (0, 29, "lutff_7/in_3"),
"CLKHF": (0, 29, "glb_netwk_4"),
"CLKHF_FABRIC": (0, 28, "slf_op_7"),
"CLKHF_DIV_1": (0, 16, "CBIT_4"),
"CLKHF_DIV_0": (0, 16, "CBIT_3")
},
("LFOSC", (25, 31, 1)) : {
"CLKLFPU": (25, 29, "lutff_0/in_1"),
"CLKLFEN": (25, 29, "lutff_7/in_3"),
"CLKLF": (25, 29, "glb_netwk_5"),
"CLKLF_FABRIC": (25, 29, "slf_op_0")
"CLKLFPU": (25, 29, "lutff_0/in_1"),
"CLKLFEN": (25, 29, "lutff_7/in_3"),
"CLKLF": (25, 29, "glb_netwk_5"),
"CLKLF_FABRIC": (25, 29, "slf_op_0")
},
("RGBA_DRV", (0, 30, 0)) : {
"CURREN": (25, 29, "lutff_6/in_3"),
"RGBLEDEN": (0, 30, "lutff_1/in_1"),
"RGB0PWM": (0, 30, "lutff_2/in_1"),
"RGB1PWM": (0, 30, "lutff_3/in_1"),
"RGB2PWM": (0, 30, "lutff_4/in_1"),
"RGBA_DRV_EN": (0, 28, "CBIT_5"),
"RGB0_CURRENT_0": (0, 28, "CBIT_6"),
"RGB0_CURRENT_1": (0, 28, "CBIT_7"),
"RGB0_CURRENT_2": (0, 29, "CBIT_0"),
"RGB0_CURRENT_3": (0, 29, "CBIT_1"),
"RGB0_CURRENT_4": (0, 29, "CBIT_2"),
"RGB0_CURRENT_5": (0, 29, "CBIT_3"),
"RGB1_CURRENT_0": (0, 29, "CBIT_4"),
"RGB1_CURRENT_1": (0, 29, "CBIT_5"),
"RGB1_CURRENT_2": (0, 29, "CBIT_6"),
"RGB1_CURRENT_3": (0, 29, "CBIT_7"),
"RGB1_CURRENT_4": (0, 30, "CBIT_0"),
"RGB1_CURRENT_5": (0, 30, "CBIT_1"),
"RGB2_CURRENT_0": (0, 30, "CBIT_2"),
"RGB2_CURRENT_1": (0, 30, "CBIT_3"),
"RGB2_CURRENT_2": (0, 30, "CBIT_4"),
"RGB2_CURRENT_3": (0, 30, "CBIT_5"),
"RGB2_CURRENT_4": (0, 30, "CBIT_6"),
"RGB2_CURRENT_5": (0, 30, "CBIT_7"),
"CURRENT_MODE": (0, 28, "CBIT_4"),
}
}
}

2
icebox/icebox_chipdb.py
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@ -324,7 +324,7 @@ if ic.device in icebox.extra_cells_db:
cellinfo = icebox.extra_cells_db[ic.device][cell]
for key in sorted(cellinfo):
print("%s %s" % (key, " ".join([str(k) for k in cellinfo[key]])))
print()
print()
print(".extra_bits")
extra_bits = dict()